* {
    margin: 0 auto;
}

.box {
    position: relative;
    width: 350px;
    height: 400px;
    margin-top: 100px;
    border: 1px solid black;
}

.box ul {
    position: absolute;
    padding: 0;
    width: 1750px;
    height: 400px;
}

.box ul li img {
    width: 100%;
    height: 100%;
}

.box ul li {
    width: 350px;
    list-style: none;
    float: left;
}

.pointBox {
    top: 95%;
    width: 100%;
    line-height: 20px;
    position: absolute;
    text-align: center;
    padding: 0;
}
.pointBox>a {
    margin: 4px;
    border-radius: 20px;
    width: 12px;
    height: 12px;
    display: inline-block;
}

.point {
    background-color: gray;
}
.pointSel {
    background-color: black;
}

.le, .ri {
    top: 45%;
    position: absolute;
    font-size: 25px;
}

.le {
    left: 0;
}

.ri {
    right: 0;
}